H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 300 lbs/inch - R25120300 fits_1969-201974`Datsun`240Z The Bluetooth connectivity allows the

The Bluetooth connectivity allows the control of the module while being in the vehicle cabin without running any wire through the firewall

It fits the following models:

Grip and Control at the Limit

all our products are backed by our Lifetime Warranty

Includes Two 4 Inch OD Tips

H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 300 lbs/inch - R25120300 fits_1969-201974`Datsun`240Z The Bluetooth connectivity allows theH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and